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United States Patent | 5,092,180 |
Knop | March 3, 1992 |
A device for measuring deformations in an elongated machine component, especially the doctor beam of a coater. A strip that can be elastically deformed or is resiliently mounted longitudinally and is secured to the machine component only at its tensioned ends is tensioned independent and in a straight line at a distance from the machine component. A sensor that measures any variation in its distance away from the strip is rigidly mounted on the component between the two ends of the strip.
Inventors: | Knop; Reinhard (Bochum, DE) |
Assignee: | Jagenberg Aktiengesellschaft (Dusseldorf, DE) |
Appl. No.: | 552662 |
Filed: | July 16, 1990 |
Sep 05, 1989[DE] | 3929458 |
Current U.S. Class: | 73/849 |
Intern'l Class: | G01B 021/32; G01B 021/16; B05C 011/04 |
Field of Search: | 73/849,862.62,800,788,786 118/712 |
3184188 | May., 1965 | Rossire | 73/849. |
3194052 | Jul., 1965 | Melzer | 73/788. |
4070906 | Jan., 1978 | Rupert et al. | 73/786. |
4463254 | Jul., 1984 | Asawa et al. | 73/800. |
4477725 | Oct., 1984 | Asawa et al. | 73/800. |
4636638 | Jan., 1987 | Huang et al. | 73/800. |
4788868 | Dec., 1988 | Wilk | 73/800. |
Foreign Patent Documents | |||
84489 | Feb., 1895 | DE2. | |
2825907 | Jul., 1984 | DE. | |
2171338 | Aug., 1986 | GB | 118/413. |